EQUITY COMPENSATION PLANS AND STOCK-BASED COMPENSATION - Stock-Based Compensation Expense (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Total stock-based compensation expense | $ 189,711 | $ 159,865 | $ 148,819 |
Cost of sales | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Total stock-based compensation expense | 26,246 | 16,146 | 13,558 |
Research and development | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Total stock-based compensation expense | 61,942 | 56,649 | 57,557 |
Selling, general and administrative | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Total stock-based compensation expense | $ 101,523 | $ 87,070 | $ 77,704 |